Home / 179,364.20-269,024.70-74,172.20

Finding the Fourth Proportional to 179,364.20, 269,024.70 and 74,172.20

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Solution

The fourth proportional to 179,364.20, 269,024.70 and 74,172.20 is: 111,249.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,364.20 : 269,024.70 = 74,172.20 : x
  2. Step 2: Convert to fraction form
    179,364.20/269,024.70 = 74,172.20/x
  3. Step 3: Cross multiply
    179,364.20x = 269,024.70 × 74,172.20
  4. Step 4: Simplify right side
    179,364.20x = 19,954,153,853.34
  5. Step 5: Solve for x
    x = 19,954,153,853.34/179,364.20
  6. Step 6: Final answer
    x = 111,249.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.